﻿Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click
        Dim intA, intB, intsum As Integer
        intA = CInt(tb_1.Text)
        intB = CInt(tb_2.Text)
        intsum = intA + intB
        lb_result.Text = intsum.ToString

    End Sub
End Class